When your car's Check Engine light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap.
If you experience any bleeding period after this 20 days, it will probably be the real period. This normally comes at about 4 to 6 weeks after the miscarriage.
Miscarriage usually occurs in the first 12 weeks of a pregnancy (the first trimester), and most miscarriages occur without a clear cause. Vaginal bleeding is the most common sign of miscarriage. Some women may experience period-like cramping pain in the lower pelvis. Others may experience no symptoms at all.